AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
[THIRD SERIES.] 
Art. I—Contributions to Meteorology, being results derived from 
an examination of the Observations of the United States Signal 
Service, and from other sources ; by Extas Loomis, Professor 
of Natural Philosophy in Yale College. Seventh paper. 
With plates I, IT and it. 
. [Read before the National Academy of Sciences, Washington, April 18, 1877.] 
Rain-areas—their form, dimensions, movements, distribution, ete. 
vice stations during a period of fifteen months (Sept. 1872, to 
Nov. 1878). I propose now to consider those cases in which 
erence; column 2d shows the day and hour of observation 
(the numeral one denotes the observation at 75 35™ A. M.; two 
denotes the observation at 4.35 P. M. ; and three denotes 11 P. M.) 
column 8d shows in inches the total rain-fall at all the stations 
during the preceding eight hours; column 4th shows the station - 
at which the greatest rain-fall was recorded ; column 5th shows 
the amount of rain observed at the station mentioned in column 
4th; column 6th shows the state of the barometer at the same 
Station; column 7th shows the state of the barometer at the — 
direction of the rain center mentioned in column 4th from the _ 
center of low pressure mentioned in column 7th; column 9th 
shows the distance of the rain center from the center of low _ 
Am. Jour. - 
: eiice Sertzs, Vou. XIV, No. 79.—JuLy, 1877. 
